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地图 / GnuTLS OCSP stapling accepts unrelated SingleResponse (no cert-ID binding)

GnuTLS OCSP stapling accepts unrelated SingleResponse (no cert-ID binding)

密码学缺陷 / 证书校验不当 / #3784125

厂商
curl
严重程度
中危
赏金
—
弱点
证书校验不当
研究员
@argus-systems
披露日期
2026-06-05
资产
https://github.com/curl/curl
CVE
CVE-2020-8286

该报告还没有中文解读。

原文摘录

摘自原文(4798 字符中的一小部分)
This report describes a **variant** of the publicly disclosed curl vulnerability **CVE-2020-8286** (OCSP stapling verification bypass), found in the **GnuTLS TLS backend** (`lib/vtls/gtls.c`). The original CVE affected the NSS backend; this variant reproduces the same logical class of defect — …
原文中的代码
gnutls_ocsp_status_request_get(session, &status_request)   // gtls.c:1437
  → gnutls_ocsp_resp_import(ocsp_resp, &status_request)    // gtls.c:1457
  → gnutls_ocsp_resp_get_single(ocsp_resp, 0, ..., &status, ..., &reason)  // gtls.c:1464–1465
  → trust sink: (status != GNUTLS_OCSP_CERT_GOOD) ? …

默认不展示报告全文。以上为简短摘录,完整复现过程请阅读原文。版权归研究员与 curl 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @argus-systems · 版权归作者与 curl 所有

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